Skip to main content

Table 3 Analysis of covariance (ANCOVA), univariate test results of tree species effects on relationships between relative increment (ivr) and tree competition status (type III decomposition models with highest coefficients of determination)

From: Understory dynamics after disturbance accelerate succession from spruce to beech-dominated forest—the Siggaboda case study

 

SS

DF

MS

F

P

ln [ivr] (r 2 = 0.38)

 ln [−iCI]

2.1931

1

2.19306

28.937

<0.01

 Tree species

178.9821

2

89.49104

1180.837

<0.01

 Error

5.2292

69

0.07579

 

 Total

209.2788

72

 
  1. ivr relative stem volume increment 2004–2011 (%), −iCI decrease of competition index (CI. no unit) from 2004 to 2011
  2. Only twice in 2004 and 2011 measured spruce and beech specimens with positive volume increment (derived from height and diameter increment) were included in the analyses
Back to article page

Annals of Forest Science

ISSN: 1297-966X